Automobile rear bumper



FIG. 1 is a right, front perspective view of an automobile rear bumper showing my new design;

FIG. 2 is a left, rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right-side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a right, rear perspective view thereof; and,

FIG. 10 is a left, front perspective view thereof. 

The ornamental design for an automobile rear bumper, as shown and described. 